Finite Element Analysis of Composite Flywheel with Two-Layer Pre-Stressed Rotor Structure

Zheng Yi Ren; Jing Na Liu; Qing Fen Li; Ke Fei Li

doi:10.4028/www.scientific.net/KEM.488-489.134

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 488-489Finite Element Analysis of Composite Flywheel with...

Finite Element Analysis of Composite Flywheel with Two-Layer Pre-Stressed Rotor Structure

Abstract:

In this paper, considering the material properties of the composite flywheel and the characteristics of the pre-stressed structure, stresses and strains induced by rotor rotation and interference fit were calculated by finite element (FE) method based on the plane stress hypothesis, in the commercial software ANSYS. Based on the given material properties and the main dimension with a certain speed of rotation, three 2D FE-models of hybrid composite flywheel rotors with two-layer rotor structure were built with the unit property of plane stress, axisymmetric and plane strain respectively. Followed, the radial stress, circumferential stress and radial displacement of the rotor were obtained. The three simulation results are almost accordant with the present theoretical results. It shows that the numerical analyses are reliable. It can be shown that is advisable to design and optimize the flywheel rotor.

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Periodical:

Key Engineering Materials (Volumes 488-489)

Pages:

134-137

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.488-489.134

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Online since:

September 2011

Authors:

Zheng Yi Ren, Jing Na Liu, Qing Fen Li, Ke Fei Li

Keywords:

Composite Flywheel, Finite Element Model (FEM), Pre-Stressed Rotor, Stress Distribution

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References

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